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Chesterfield weather in September (Missouri, United States of America)

How does the September weather in Chesterfield compare to other months? See what weather conditions to anticipate this month with our guide.

Temperatures

Expect perfect weather in Chesterfield during September, which means high temperatures and moderate rainfall. During the day, temperatures can climb to about 27°C. At night, they may fall to a cooler 15°C.

Precipitation

Chesterfield in September usually receives moderate rainfall, averaging around 98 mm for the month. The climate data from previous years indicates that there are typically about 10 days days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 235 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

So this is a great month to visit if you prefer dry days with pleasant temperatures. September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

Need inspiration to choose your next destination? Our innovative weather planner helps you discover the perfect getaway tailored to your ideal climate conditions.

 

Chesterfield, monthly averages in September

Min TemperatureMin Temperature 15°C  
Max TemperatureMax Temperature 27°C  
Chance of RainChance of Rain 32%  
PrecipitationPrecipitation 98 mm  
Rainy daysRainy days 10 days  
HumidityHumidity 71% *  
SunshineSunshine 235 hours *  
Percentage SunshinePercentage Sunshine 63% *  
Data from: St. Louis, the United States of America (32 KM, 20 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
8/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Chesterfield.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.